Petra N. Keizer

1.4k total citations · 1 hit paper
10 papers, 1.2k citations indexed

About

Petra N. Keizer is a scholar working on Organic Chemistry, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, Petra N. Keizer has authored 10 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Organic Chemistry, 4 papers in Atomic and Molecular Physics, and Optics and 4 papers in Materials Chemistry. Recurrent topics in Petra N. Keizer's work include Fullerene Chemistry and Applications (4 papers), Advanced Chemical Physics Studies (3 papers) and Graphene research and applications (2 papers). Petra N. Keizer is often cited by papers focused on Fullerene Chemistry and Applications (4 papers), Advanced Chemical Physics Studies (3 papers) and Graphene research and applications (2 papers). Petra N. Keizer collaborates with scholars based in Canada and United States. Petra N. Keizer's co-authors include K. F. Preston, J. R. Morton, Paul J. Krusic, E. Wasserman, B. A. Parkinson, Brian Malone, Edward R. Holler, Frank Bottomley, Peter S. White and Peter S. White and has published in prestigious journals such as Science, Journal of the American Chemical Society and The Journal of Physical Chemistry.

In The Last Decade

Petra N. Keizer

10 papers receiving 1.1k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Radical Reactions of C ₆₀

1991 765 citations Paul J. Krusic, E. Wasserman et al. Science profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Petra N. Keizer Canada	9	916	744	222	127	106	10	1.2k
Anton W. Jensen United States	10	648 0.7×	525 0.7×	140 0.6×	129 1.0×	50 0.5×	19	884
John W. Swirczewski United States	8	657 0.7×	603 0.8×	119 0.5×	87 0.7×	25 0.2×	17	815
Glenn E. Lawson United States	15	417 0.5×	369 0.5×	105 0.5×	90 0.7×	33 0.3×	24	610
P. R. Sundararajan India	10	297 0.3×	322 0.4×	396 1.8×	77 0.6×	70 0.7×	20	884
Walter Grahn Germany	17	395 0.4×	288 0.4×	44 0.2×	110 0.9×	96 0.9×	62	814
Enrique Font‐Sanchis Spain	15	450 0.5×	266 0.4×	89 0.4×	63 0.5×	67 0.6×	39	746
Masoud Bezi Javan Iran	23	463 0.5×	1.1k 1.5×	66 0.3×	163 1.3×	84 0.8×	62	1.3k
Michel Viguier France	15	371 0.4×	141 0.2×	135 0.6×	51 0.4×	32 0.3×	30	580
Zack G. Gardlund United States	14	289 0.3×	298 0.4×	89 0.4×	36 0.3×	44 0.4×	27	680
Eric C. Kelusky Canada	15	156 0.2×	237 0.3×	159 0.7×	63 0.5×	65 0.6×	19	689

Countries citing papers authored by Petra N. Keizer

Since Specialization

Citations

This map shows the geographic impact of Petra N. Keizer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Petra N. Keizer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Petra N. Keizer more than expected).

Fields of papers citing papers by Petra N. Keizer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Petra N. Keizer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Petra N. Keizer. The network helps show where Petra N. Keizer may publish in the future.

Co-authorship network of co-authors of Petra N. Keizer

This figure shows the co-authorship network connecting the top 25 collaborators of Petra N. Keizer. A scholar is included among the top collaborators of Petra N. Keizer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Petra N. Keizer. Petra N. Keizer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

10 of 10 papers shown

1.

Keizer, Petra N., J. R. Morton, K. F. Preston, & Paul J. Krusic. (1993). Electron paramagnetic resonance spectra of R–C₆₀radicals Part 2: hindered rotation in alkyl- and silyl-C₆₀radicals. Journal of the Chemical Society Perkin Transactions 2. 1041–1045. 16 indexed citations

2.

Keizer, Petra N., J. R. Morton, & K. F. Preston. (1992). The EPR spectra of free radical adducts of C70. Journal of the Chemical Society Chemical Communications. 1259–1259. 27 indexed citations

3.

Keizer, Petra N., et al.. (1991). EPR spectrum of carbon ion (C60-) trapped in molecular sieve 13X. The Journal of Physical Chemistry. 95(19). 7117–7118. 57 indexed citations

4.

Keizer, Petra N., et al.. (1991). ChemInform Abstract: EPR Spectrum of C‐ 60 Trapped in Molecular Sieve 13X.. ChemInform. 22(51). 1 indexed citations

5.

Keizer, Petra N., J. R. Morton, & K. F. Preston. (1991). Electron paramagnetic resonance radiation dosimetry: possible inorganic alternatives to the EPR/alanine dosimeter. Journal of the Chemical Society Faraday Transactions. 87(19). 3147–3147. 18 indexed citations

6.

Krusic, Paul J., E. Wasserman, B. A. Parkinson, et al.. (1991). Electron spin resonance study of the radical reactivity of C60. Journal of the American Chemical Society. 113(16). 6274–6275. 221 indexed citations

7.

Keizer, Petra N., Paul J. Krusic, J. R. Morton, & K. F. Preston. (1991). Thiolato- and selenato-bridged dinuclear iron carbonyl radicals. Journal of the American Chemical Society. 113(14). 5454–5456. 15 indexed citations

8.

Krusic, Paul J., E. Wasserman, Petra N. Keizer, J. R. Morton, & K. F. Preston. (1991). Radical Reactions of C ₆₀. Science. 254(5035). 1183–1185. 765 indexed citations breakdown →

9.

Bottomley, Frank, Petra N. Keizer, Peter S. White, & K. F. Preston. (1990). Organometallic oxides: preparation, structure, and chemical and physical properties of paramagnetic [(.eta.-C5H5)NbCl(.mu.-A)]3(.mu.3-OH)(.mu.3-O) (A = Cl, OH) and other oxo-hydroxo clusters of niobium. Organometallics. 9(6). 1916–1925. 15 indexed citations

10.

Bottomley, Frank, Petra N. Keizer, & Peter S. White. (1988). Steric versus electronic effects on the tilt of the cyclopentadienyl rings in adducts of manganese dicyclopentadienide. Molecular and electronic structure of dicyclopentadienide manganese tetrahydrofuran. Journal of the American Chemical Society. 110(1). 137–140. 32 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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